Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815237 | Testing apparatus and method for determining an etch bias associated with a semiconductor-processing step | James Chingwei Li, Richard L. Pierson, Jr. | 2004-11-09 |
| 6800531 | Method of fabricating a bipolar transistor | Richard L. Pierson, Jr., James Chingwei Li, John A. Higgins | 2004-10-05 |
| 6797995 | Heterojunction bipolar transistor with InGaAs contact and etch stop layer for InP sub-collector | Richard L. Pierson, Jr., James Chingwei Li, John A. Higgins | 2004-09-28 |
| 6706574 | Field effect transistor and method for making the same | — | 2004-03-16 |